coated cardboard
Wasei-eigo from 'coat board'; refers to cardboard with a coated surface, often used for packaging or high-quality printing.
wasei-eigo (Japanese-coined English), from coat board
このパッケージにはコートボールが使われている。
Coated cardboard is used for this packaging.
Variant with interpunct; less common but attested.
Wasei-eigo from English 'coat board', referring to cardboard with a coated surface.